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- Title
WAVELENGTH DEMULTIPLEXING IN METAL-INSULATOR-METAL PLASMONIC WAVEGUIDES.
- Authors
YAO, XIANKUN
- Abstract
In this paper, we have numerically investigated a novel kind of ultra-compact wavelength demultiplexing (WDM) in high-confined metal-insulator-metal (MIM) plasmonic waveguides. It is found that the drop transmission efficiency of the filtering cavity can be strongly enhanced by introducing a side-coupled cavity in the MIM waveguide. The theoretical analysis is verified by the finite-difference time-domain simulations. Through cascading the filtering units, a highly effective triple-wavelength demultiplexer is proposed by selecting the specific separation between the two coupled cavities of filtering units. Our results may find potential applications for the nanoscale WDM systems in highly integrated optical circuits and networks.
- Subjects
WAVELENGTHS; DEMULTIPLEXING; METAL-insulator-metal devices; PLASMA waveguides; SURFACE plasmons; INTEGRATED circuits; OPTICS
- Publication
Modern Physics Letters B, 2014, Vol 28, Issue 4, p-1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984914500250